/*
 * Copyright 2022 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.android.libraries.mobiledatadownload;

import android.accounts.Account;
import com.google.auto.value.AutoValue;
import com.google.common.base.Optional;
import com.google.mobiledatadownload.DownloadConfigProto.DataFileGroup;
import javax.annotation.concurrent.Immutable;

/** Request to add file group in MDD. */
@AutoValue
@Immutable
public abstract class AddFileGroupRequest {
  AddFileGroupRequest() {}

  public abstract DataFileGroup dataFileGroup();

  public abstract Optional<Account> accountOptional();

  public abstract Optional<String> variantIdOptional();

  public static Builder newBuilder() {
    return new AutoValue_AddFileGroupRequest.Builder();
  }

  /** Builder for {@link AddFileGroupRequest}. */
  @AutoValue.Builder
  public abstract static class Builder {
    Builder() {}

    /** Sets the data file group, which is required. */
    public abstract Builder setDataFileGroup(DataFileGroup dataFileGroup);

    /**
     * Sets the account associated with the group, which is optional.
     *
     * <p>NOTE: When this option is set, it will also be required when retrieving file groups in
     * {@link GetFileGroupRequest}.
     */
    public abstract Builder setAccountOptional(Optional<Account> accountOptional);

    /**
     * Sets the variant id associated with the group, which is optional.
     *
     * <p>NOTE: When this option is set, it will also be required when retrieving file groups in
     * {@link GetFileGroupRequest}.
     */
    public abstract Builder setVariantIdOptional(Optional<String> variantIdOptional);

    public abstract AddFileGroupRequest build();
  }
}
